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Fix potential integer underflow in rounded up divisions

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A new `Math::division_round_up()` function was added, allowing for easy
and correct computation of integer divisions when the result needs to
be rounded up.

Fixes #80358.

Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
This commit is contained in:
EddieBreeg
2023-08-07 20:19:20 +02:00
committed by Rémi Verschelde
parent 13a0d6e9b2
commit 8747c67d9e
14 changed files with 81 additions and 41 deletions
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2
servers/rendering/rendering_device.cpp
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@ -5009,7 +5009,7 @@ void RenderingDevice::compute_list_dispatch_threads(ComputeListID p_list, uint32
#endif
compute_list_dispatch(p_list, (p_x_threads - 1) / cl->state.local_group_size[0] + 1, (p_y_threads - 1) / cl->state.local_group_size[1] + 1, (p_z_threads - 1) / cl->state.local_group_size[2] + 1);
compute_list_dispatch(p_list, Math::division_round_up(p_x_threads, cl->state.local_group_size[0]), Math::division_round_up(p_y_threads, cl->state.local_group_size[1]), Math::division_round_up(p_z_threads, cl->state.local_group_size[2]));
}
void RenderingDevice::compute_list_dispatch_indirect(ComputeListID p_list, RID p_buffer, uint32_t p_offset) {